Image forming apparatus

The present invention provides an image forming apparatus. The image forming apparatus is not connected to a communication line. The image forming apparatus includes a reading means for reading identification information specifying consumables exchangeably mounted on the image forming apparatus, a determination means for determining whether or not the consumable item includes a plurality of piecesof identification information for identifying a consumable item other than the consumable item, and a rewritable storage means for additionally storing a plurality of pieces of identification information of the consumable item. 本发明公开了种图像形成装置，该图像形成装置未与通信线路相连接。该图像形成装置具备：读取单元，所述读取单元读取用于确认可更换地安装在所述图像形成装置中的消耗品的识别信息；判别单元，所述判别单元判别所安装的所述消耗品是不是包含用于确认该消耗品以外的消耗品的多个识别信息的消耗品；可重写的存储单元，所述可重写的存储单元追加存储所述消耗品的所述多个识别信息。